:root {
            --rojo-bancario: #8B0000;
            --rojo-claro: #fff5f5;
            --azul-slate: #1e293b;
            --blanco: #ffffff;
            --radius-lg: 30px;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'Plus Jakarta Sans', sans-serif; background-color: #f8fafc; color: var(--azul-slate); scroll-behavior: smooth; }

        /* --- LOGO ESTILIZADO --- */
        .logo-container { display: flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo-svg { width: 45px; height: 45px; }
        .logo-text { font-weight: 800; font-size: 1.5rem; color: var(--azul-slate); letter-spacing: -1px; line-height: 1; }
        .logo-text span { color: var(--rojo-bancario); display: block; font-size: 0.7rem; letter-spacing: 2px; text-transform: uppercase; margin-top: 2px; }

        /* --- BOTONES FIJOS --- */
        .fixed-action { position: fixed; bottom: 30px; left: 30px; z-index: 1000; display: flex; flex-direction: column; gap: 10px; }
        .f-btn { width: 55px; height: 55px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0,0,0,0.1); transition: 0.3s; }
        .f-btn:hover { transform: scale(1.1); }
        .f-wa { background: #25D366; }
        .f-tel { background: var(--rojo-bancario); }
        .f-btn svg { width: 25px; fill: white; }

        /* --- HEADER --- */
        header { background: var(--blanco); padding: 15px 8%; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 2px 10px rgba(0,0,0,0.03); position: sticky; top: 0; z-index: 900; }
        .btn-login { border: 2px solid var(--rojo-bancario); color: var(--rojo-bancario); padding: 10px 24px; border-radius: 50px; font-weight: 700; text-decoration: none; transition: 0.3s; background: transparent; cursor: pointer; }
        .btn-login:hover { background: var(--rojo-bancario); color: white; }

        /* --- HERO --- */
        .hero { padding: 50px 8%; background: radial-gradient(circle at top right, #fff, var(--rojo-claro)); display: flex; flex-wrap: wrap; gap: 30px; justify-content: center; border-bottom: 1px solid #eee; }
        .hero-info { flex: 1; min-width: 320px; max-width: 550px; padding-top: 30px; }
        .hero-info h1 { font-size: 2.8rem; line-height: 1.2; margin-bottom: 20px; color: #0f172a; }
        .highlight { color: var(--rojo-bancario); }

        /* --- FORMULARIO SUPERIOR --- */
        .card-form { flex: 1; min-width: 320px; max-width: 450px; background: white; padding: 35px; border-radius: var(--radius-lg); box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1); }
        input, textarea, select { width: 100%; padding: 14px; margin-bottom: 15px; border: 1.5px solid #e2e8f0; border-radius: 12px; font-family: inherit; font-size: 1rem; }
        .btn-send { background: var(--rojo-bancario); color: white; border: none; padding: 16px; width: 100%; border-radius: 12px; font-weight: 700; cursor: pointer; transition: 0.3s; font-size: 1.1rem; }
        .btn-send:hover { background: #600000; transform: translateY(-2px); }

        /* --- SECCIONES COMUNES --- */
        section { padding: 80px 8%; }
        h2.section-title { font-size: 2.2rem; text-align: center; margin-bottom: 40px; color: #0f172a; }

        /* --- SERVICIOS --- */
        .services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; }
        .service-card { background: white; padding: 30px; border-radius: 20px; border: 1px solid #f1f5f9; transition: 0.3s; }
        .service-card:hover { border-color: var(--rojo-bancario); transform: translateY(-5px); }
        .service-card h3 { color: var(--rojo-bancario); margin-bottom: 15px; }

        /* --- REQUISITOS --- */
        .req-section { background: #f8fafc; }
        .req-container { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
        .req-box { background: white; padding: 30px; border-radius: 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.02); }
        .req-list { list-style: none; }
        .req-list li { padding: 10px 0; border-bottom: 1px solid #f1f5f9; display: flex; align-items: center; gap: 10px; }
        .req-list li::before { content: '✓'; color: var(--rojo-bancario); font-weight: bold; }

        /* --- NAV GRID --- */
        .nav-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; padding: 40px 8%; background: white; }
        .nav-item { padding: 20px; text-align: center; background: #f1f5f9; text-decoration: none; color: var(--azul-slate); font-weight: 600; border-radius: 20px; border: 1px solid transparent; transition: 0.3s; }
        .nav-item:hover { border-color: var(--rojo-bancario); color: var(--rojo-bancario); background: white; }

        /* --- CALCULADORA --- */
        .calc-section { background: var(--rojo-claro); text-align: center; border-radius: 60px; margin: 20px; }
        .calc-container { max-width: 700px; margin: 30px auto; background: white; padding: 40px; border-radius: var(--radius-lg); box-shadow: 0 10px 20px rgba(0,0,0,0.05); text-align: left; }
        
        /* --- TESTIMONIOS --- */
        .test-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
        .test-card { background: white; padding: 25px; border-radius: 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.02); border: 1px solid #f1f5f9; }
        .test-card h4 { color: var(--rojo-bancario); margin-top: 10px; font-size: 0.9rem; }

        /* --- MODAL --- */
        .modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.8); backdrop-filter: blur(5px); display: none; align-items: center; justify-content: center; z-index: 2000; }
        .modal-content { background: white; padding: 40px; border-radius: var(--radius-lg); width: 90%; max-width: 400px; position: relative; }
        .close-modal { position: absolute; top: 20px; right: 20px; cursor: pointer; font-size: 1.5rem; color: #64748b; }

        /* --- FOOTER --- */
        footer { background: var(--azul-slate); color: #cbd5e1; padding: 60px 8%; border-top-left-radius: 50px; border-top-right-radius: 50px; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; }

        @media (max-width: 768px) { .hero-info h1 { font-size: 2rem; } header { padding: 15px 5%; } section { padding: 60px 5%; } }